A Colombian senator running to be the country's next president was shot and "critically" injured at a campaign rally in Bogota, authorities have said.

Senator Miguel Uribe Turbay, 39, was targeted during the campaign event in a park in the Fontibon area of the Colombian capital, according to the Attorney General's office.

He suffered two gunshot wounds and was seen covered in blood as he was being helped by aides and people in the crowd.

According to a medical report at the Santa Fe Foundation hospital, he was admitted there in a "critical condition" and is still undergoing a "neurosurgical and peripheral vascular procedure".

Two other people were injured but the nature of their injuries has not been made public.

A 15-year-old male suspect was arrested at the scene and is being treate

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